НЕЧИПУРЕНКО, Павло Павлович; ШЕНАЄВА, Тетяна Олексіївна. Volumetric Analysis. Theory and methods of learning fundamental disciplines in high school, [S.l.], v. 9, n. 1, p. 3-86, jan. 2017. ISSN 2309-1487. Available at: <http://ccjournals.eu/ojs/index.php/fund/article/view/576>. Date accessed: 26 sep. 2017.